SAE 5W-30Recommended for use in racing or highly modified street engines where an SAE 5W30 or 10W30 are specified. Commonly used in Winston Cup, Busch, Pro Stock (drag racing), sports compact and import sport engines Turbo and supercharged approved. Also recommended for late model sports cars and hot rods.

SAE 5W-40Recommended for use in racing or highly modified street engines where an SAE 5W40, 10W30, 10W40 or 15W40 are specified. Commonly used in road racing, drag racing and circle track. Turbo and supercharged approved. Also recommended for early or late model sports cars and hot rods. Excellent choice for dual duty engines used for street and competition use.